Prompt
                                        
                                            "Create an image of a map of the Union of Soviet Socialist Republics (USSR) in its heyday, with its borders, notable cities, and significant landmarks. Incorporate iconic Soviet symbols such as the hammer and sickle, and the Soviet Union flag in the background. The style should be reminiscent of 1980s Soviet-era propaganda posters, with bold colors and a sense of grandeur. Include notable cities such as Moscow, Leningrad, and Kiev, and significant landmarks like the Kremlin, Red Square, and the Trans-Siberian Railway. The overall mood should be one of socialist realism, conveying a sense of strength, unity, and progress."